As in case of ems_usb_start_xmit, dev_kfree_skb needs to be called when usb_submit_urb fails to avoid possible refcount leaks. Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx> --- drivers/net/can/usb/esd_usb2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index 286daaaea0b8..7b5e6c250d00 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -810,7 +810,7 @@ static netdev_tx_t esd_usb2_start_xmit(struct sk_buff *skb, usb_unanchor_urb(urb); stats->tx_dropped++; - + dev_kfree_skb(skb); if (err == -ENODEV) netif_device_detach(netdev); else -- 2.25.1
